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LG 3-ton 19 SEER2 heat pump system
LG 3 Ton 19 SEER2 High Efficiency Heat Pump Split System - LGRED Series - R32 Inverter - Multi-Positional
Central heat pump (ducted split) High-efficiency / cold-climate (18+ SEER2) ENERGY STAR certified pairing Cold climate ENERGY STAR Most Efficient
Listed prices
| HVACDirect | $8,446 |
Captured Oct 24, 2026. Public online retail prices for the equipment only. Contractors typically buy through distributors at prices that are not published.
Installed benchmark estimate
Midpoint $19,406. REMDB replacement-cost regression for this system type, size and efficiency, restated in today's dollars. Method
Specifications
| Model numbers | KUSXA422A + KNSLB421A |
|---|---|
| Nominal capacity | 3 ton (36,000 BTU/h) |
| SEER2 | 19 |
| EER2 | 12.5 |
| HSPF2 | 9.8 |
| COP at 5°F | 2 |
| Heating capacity 5°F / 47°F | 46,000 / 46,000 BTU/h (100%) |
| Compressor | Continuously variable |
| Refrigerant | R-32 (GWP:675 | Lower GWP) |
| AHRI reference # | 215735573 |
| ENERGY STAR certified | 2026-04-17 |
| Rating source | EPA ENERGY STAR record for KUSXA422A + KNSLB421A (raw record; matched on outdoor + indoor model) |
Quoted this exact system? The model numbers on your quote should match the outdoor unit KUSXA422A and indoor unit KNSLB421A. A different indoor coil changes the certified rating. How to check an AHRI certificate
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